<script setup>
import { ref,onMounted,onBeforeUnmount } from 'vue'
import { loginAPI, getInfoAPI } from '@/api/manager'
import { toast } from '@/composables/util'
import { useRouter } from 'vue-router'
import { setToken } from '@/composables/auth'
const router = useRouter()
const form = ref({
  username: '',
  password: '',
})
const rules = {
  username: [{ required: true, message: '请输入用户名', trigger: 'blur' }],
  password: [{ required: true, message: '请输入密码', trigger: 'blur' }],
}
const formRef = ref(null)
// 设置加载状态防止用户重复点击登录按钮
const loading = ref(false)
const onSubmit = () => {
  formRef.value.validate(async (valid) => {
    // console.log(valid)
    if (!valid) {
      return false
    }
    loading.value = true
    const res = await loginAPI(form.value)
    // console.log(res)

    // 提示成功
    toast('登录成功')
    // 存储token
    setToken(res.token)

    // 获取用户相关信息


    // 跳转到后台首页
    loading.value = false
    router.push('/')
  })
}

// 监听回车事件
const onKeyUp = e=> {
  // console.log(e);
  if(e.key==='Enter'){
    onSubmit()
  }
}

// 添加键盘监听
onMounted(()=>{
document.addEventListener('keyup',onKeyUp)
})
// 移除键盘监听
onBeforeUnmount(()=>{
  document.removeEventListener('keyup',onKeyUp)
})
</script>
<template>
  <el-row class="min-h-screen bg-indigo-500">
    <el-col :lg="16" :md="12" class="flex items-center justify-center">
      <div>
        <div class="font-bold text-5xl text-light-50 mb-4">欢迎光临</div>
        <div class="text-gray-200 text-sm">
          此站点是《vue3 + vite实战商城后台开发》视频课程的演示地址
        </div>
      </div>
    </el-col>
    <el-col :lg="8" :md="12" class="bg-light-50 flex items-center justify-center flex-col">
      <h2 class="font-bold text-3xl text-gray-800">欢迎回来</h2>
      <div class="flex items-center justify-center my-5 text-gray-300 space-x-2">
        <span class="h-[1px] w-16 bg-gray-200"></span>
        <span>账号密码登录</span>
        <span class="h-[1px] w-16 bg-gray-200"></span>
      </div>
      <el-form ref="formRef" :model="form" :rules="rules" class="w-[250px]">
        <el-form-item prop="username">
          <el-input v-model="form.username" placeholder="请输入用户名">
            <template #prefix>
              <el-icon class="el-input__icon"><user /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item prop="password">
          <el-input type="password" show-password v-model="form.password" placeholder="请输入密码">
            <template #prefix>
              <el-icon class="el-input__icon"><Lock /></el-icon>
            </template>
          </el-input>
        </el-form-item>
        <el-form-item>
          <el-button class="w-[250px]" round color="#626aef" @click="onSubmit" :loading="loading"
            >登录</el-button
          >
        </el-form-item>
      </el-form>
    </el-col>
  </el-row>
</template>